Be confident in your purchase we're an Authorized Benepets Dealer. How cool is that?!?!? Benepets Benepellet Reef Aquarium Probiotic Coral Fish Food is a scientifically-balanced auto-feeder pellet formulated for complete reef nutrition, color, growth, and health without compromising water quality. It works great for the general feeding of almost all reef inhabitants and is safe for use in most automatic feeders. Backed by Science: Engineered for optimal results and backed by years of scientific research. Promotes Growth Vibrant Coloration: Formulated to promote tissue regeneration, coloration, and growth in fish and corals. Low Nutrient Impact: Instead of containing a high protein content, Benereef prioritizes a high carbohydrate content, which is crucial to prevent the accumulation of excessive proteins that can lead to toxic ammonia levels harmful to your system and reef inhabitants when broken down. Specifications: Pellet Sizes: 1.7 mm, 2.5 mm, or 3.0 mm Buoyancy: Sinking Available Sizes: 1.3 oz, 2.7 oz, or 5.3 oz Shelf Life: up to 2 years What Pellet Size Should I Use? Use the 1.7mm pellet for 5-40 gallon aquariums, the 2.5mm pellet for 40-110 gallons, and the 3mm pellet for 110-400+ gallons. Instructions: Broadcast feed 2-3 times a day in the same manner as any other fish food. Feed as much as your fish can consume within three minutes, allowing 5-10 pellets to go uneaten at the bottom of the tank. It also works great for shrimp, invertebrates, and other microorganisms. Compatible with most auto-feeders. Ingredients: Salmon Fish Meal, Freeze Dried Plankton, Brine Shrimp, Rotifers, Copepods, Corn Starch, Calcium Powder, Astaxanthin, Spirulina, Garlic Powder, Marine Fish Oil, Soy Flour, Superfoods, Blend, Brewers Dried Yeast, Protein Blend, Benepets? Proprietary Probiotic Blend of Lactobacillus, Saccharomyces and Bacillus species. Guaranteed Analysis: Crude Protein: 25.5% (min) Crude Fat: 4.7% (min) Crude Fiber: 44% (max) Moisture: 6.5% (max) Phosphorus: 0.6% (min) Ash: 5% (max)